There are 2 owner-reported speed control & cruise complaints for the 2016 Scion iAin NHTSA's database. These are unverified consumer reports and may not reflect confirmed defects.
I WAS ABOUT TO PARK AT A BURGER KING STORE AT DELANO CALIFORNIA 93215 AND SLOWING DOWN WHEN MY SCION IA SPEED UP MORE AND KEPT ON RUNNING WHILE MY FOOT IS ALREADY ON THE BRAKE. SO I ACCIDENTALLY HIT THE STORE. IT ONLY STOP BECAUSE THE TIRE WHERE ALREADY UP. I TRIED TO REVERSE MY CAR BUT CANNOT MOVE ANYMORE.
TL* THE CONTACT OWNED A 2016 SCION IA. WHILE DEPRESSING THE BRAKE PEDAL, THE VEHICLE ACCELERATED WITHOUT WARNING. THE CONTACT STATED THAT THE FAILURE OCCURRED TWICE WHILE STOPPED. THE VEHICLE WAS TAKEN TO DAVID WILSON'S TOYOTA OF LAS VEGAS (3255 E SAHARA AVE, LAS VEGAS, NV 89104 (702) 457-2000), BUT THE FAILURE COULD NOT BE DUPLICATED. THE MANUFACTURER WAS NOT MADE AWARE OF THE FAILURE. THE CONTACT MENTIONED THAT HE NO LONGER OWNED THE VEHICLE DUE TO THE ACCELERATION ISSUE. THE VIN WAS UNAVAILABLE. THE FAILURE MILEAGE WAS APPROXIMATELY 4,000. ...UPDATED 10/19/17 *BF UPDATED 12/12/2017*JS
Complaints are unverified consumer reports submitted to NHTSA. A high complaint count may reflect vehicle popularity, not defect severity. Data sourced from NHTSA public records.
Data synced from NHTSA on Apr 26, 2026